Home / 13,889.68-19,167.02-7,600.84

Finding the Fourth Proportional to 13,889.68, 19,167.02 and 7,600.84

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Solution

The fourth proportional to 13,889.68, 19,167.02 and 7,600.84 is: 10,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.68 : 19,167.02 = 7,600.84 : x
  2. Step 2: Convert to fraction form
    13,889.68/19,167.02 = 7,600.84/x
  3. Step 3: Cross multiply
    13,889.68x = 19,167.02 × 7,600.84
  4. Step 4: Simplify right side
    13,889.68x = 145,685,452.30
  5. Step 5: Solve for x
    x = 145,685,452.30/13,889.68
  6. Step 6: Final answer
    x = 10,488.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.